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2-amino-1-(3,4-diethoxy-phenyl)-ethanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40665-57-4

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40665-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40665-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,6 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 40665-57:
(7*4)+(6*0)+(5*6)+(4*6)+(3*5)+(2*5)+(1*7)=114
114 % 10 = 4
So 40665-57-4 is a valid CAS Registry Number.

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